Portable adjustable book stand



FIG. 1 is a top front perspective view of a portable adjustable bookstand showing my new design in an open position;

FIG. 2 is a top front perspective view thereof;

FIG. 3 is a bottom front perspective view thereof;

FIG. 4 is a bottom front perspective view thereof;

FIG. 5 is a top rear perspective view thereof;

FIG. 6 is a top rear perspective view thereof;

FIG. 7 is a bottom rear perspective view thereof;

FIG. 8 is a bottom rear perspective view thereof;

FIG. 9 is a front elevational view thereof;

FIG. 10 is a rear elevational view thereof;

FIG. 11 is a top plan view thereof;

FIG. 12 is a bottom plan view thereof;

FIG. 13 is a right elevational view thereof;

FIG. 14 is a left elevational view thereof;

FIG. 15 is a top front perspective view of the portable adjustable bookstand in a closed position; and,

FIG. 16 is a bottom rear perspective view of thereof.

The broken lines in the figures are for the purpose of illustratingportions of the portable adjustable book stand, which form no part ofthe claimed design.

CLAIM The ornamental design for a portable adjustable book stand, asshown and described.